The Eden Project, which opened in March, is a botanical garden unlike any other. Instead of showcasing exotic plants, Eden tells the stories of plants that have played important roles in history, such as cotton and coffee. The facility itself, nestled in a former clay pit in southwest England, houses plants in a series of giant geodesic domes — one of which is the world’s largest greenhouse.

http://www.popsci.com/bown/general_36_eden.html

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